#64563F
Closest named color: Milk Chocolate (#7F4E1E). oklch(46.1% 0.04 79.8), rgb(100, 86, 63).
Aa
White text reads best on this color (7.13:1).
About this color
#64563F is a medium-dark, muted brown. In OKLCH its lightness is 46%, its chroma 0.040 and its hue 80°. Its hue sits on the warm side of the wheel. The nearest named color is Milk Chocolate (#7F4E1E), ΔE 0.055 away. White text reads best on it, at 7.13:1.
| Hue family | Browns |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.040) |
| Temperature | warm |
| Nearest name | Milk Chocolate (#7F4E1E) |
| Black text | 2.94:1 |
| White text | 7.13:1 |
Values
| HEX | #64563F |
| RGB | rgb(100, 86, 63) |
| HSL | hsl(37, 23%, 32%) |
| OKLCH | oklch(46.1% 0.04 79.8) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #64563F | 7.13:1 | AAA | Lc -89.6 | Fine for body text |
| Black text on #64563F | 2.94:1 | Fails | Lc 19.3 | Dividers and decoration only |
| #64563F text on white | 7.13:1 | AAA | Lc 84.7 | Fine for body text |
| #64563F text on black | 2.94:1 | Fails | Lc -17.3 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 700.
-
Step 50
50
#F6F5F3
oklch(97% 0.003 84.6)
-
Step 100
100
#ECE9E6
oklch(93.6% 0.005 67.8)
-
Step 200
200
#DDD8D1
oklch(88.4% 0.011 76.6)
-
Step 300
300
#C7BFB3
oklch(80.8% 0.019 78.2)
-
Step 400
400
#AB9F8C
oklch(70.8% 0.03 79.4)
-
Step 500
500
#96876F
oklch(63% 0.039 79.5)
-
Step 600
600
#817157
oklch(55.7% 0.043 79.7)
-
Step 700
700 (this color)
#64563F
oklch(46.1% 0.04 79.8)
-
Step 800
800
#594D3B
oklch(42.7% 0.032 77.7)
-
Step 900
900
#494032
oklch(37.6% 0.026 78.7)
-
Step 950
950
#2B261E
oklch(27.1% 0.016 79.5)
#64563F with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #5C563D | 0.014 |
| Deuteranopia (no green cones) | #5F5940 | 0.011 |
| Tritanopia (no blue cones) | #6A5250 | 0.034 |
| Achromatopsia (no color) | #585858 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64563F
#64563F
oklch(46.1% 0.04 79.8)
- #4B596F
#4B596F
oklch(46.1% 0.04 259.3)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #64563F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Milk Chocolate #7F4E1E ΔE 0.055
- Olive Brown #645403 ΔE 0.055
- Mud #735C12 ΔE 0.059
- Medium Brown #7F5112 ΔE 0.060
- Mud Brown #60460F ΔE 0.061
- Greeny Brown #696006 ΔE 0.068
- Green Brown #544E03 ΔE 0.069
- Cocoa #875F42 ΔE 0.069
Use #64563F in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.